gdb/testsuite/gdb.threads/thread-unwindonsignal.exp

   1 # Copyright (C) 2008-2013 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Test use of unwindonsignal when a hand function call that gets interrupted
  17 # by a signal in another thread.
  18
  19 set NR_THREADS 4
  20
  21 standard_testfile interrupted-hand-call.c
  22
  23 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-DNR_THREADS=$NR_THREADS"]] != "" } {
  24     return -1
  25 }
  26
  27 # Some targets can't do function calls, so don't even bother with this
  28 # test.
  29 if [target_info exists gdb,cannot_call_functions] {
  30     setup_xfail "*-*-*" 2416
  31     fail "This target can not call functions"
  32     continue
  33 }
  34
  35 clean_restart ${binfile}
  36
  37 if { ![runto_main] } {
  38     fail "Can't run to main"
  39     return 0
  40 }
  41
  42 gdb_test "break all_threads_running" \
  43          "Breakpoint 2 at .*: file .*${srcfile}, line .*" \
  44          "breakpoint on all_threads_running"
  45
  46 # Run the program and make sure GDB reports that we stopped after
  47 # hitting breakpoint 2 in all_threads_running().
  48
  49 gdb_test "continue" \
  50          ".*Breakpoint 2, all_threads_running ().*" \
  51          "run to all_threads_running"
  52
  53 # NOTE: Don't turn on scheduler-locking here.
  54 # We want the main thread (hand_call_with_signal) and
  55 # thread 1 (sigabrt_handler) to both run.
  56
  57 # Do turn on unwindonsignal.
  58 # We want to test gdb handling of the current thread changing when
  59 # unwindonsignal is in effect.
  60 gdb_test_no_output "set unwindonsignal on" \
  61         "setting unwindonsignal"
  62 gdb_test "show unwindonsignal" \
  63         "Unwinding of stack .* is on." \
  64         "showing unwindonsignal"
  65
  66 gdb_test "call hand_call_with_signal()" \
  67     "The program received a signal.*" \
  68     "hand-call interrupted by signal in another thread"
  69
  70 # Verify dummy stack frame is still present.
  71 # ??? Should unwindonsignal still apply even if the program stops
  72 # because of a signal in another thread?
  73
  74 gdb_test "maint print dummy-frames" ".*stack=.*" "dummy stack frame present"
  75
  76 # GDB 6.8 would perform the unwindonsignal, but on the thread that stopped,
  77 # not the thread with the hand-called function.
  78 # This is tested by verifying only one thread has main in its backtrace.
  79
  80 gdb_test_multiple "thread apply all bt" "wrong thread not unwound" {
  81     -re ".* in main .* in main .*$gdb_prompt $" {
  82         fail "wrong thread not unwound"
  83     }
  84     -re ".* in main .*$gdb_prompt $" {
  85         pass "wrong thread not unwound"
  86     }
  87 }
  88
  89 # Continuing now should exit the hand-call and pop the dummy frame.
  90
  91 gdb_test "continue" ".*" "finish hand-call"
  92
  93 gdb_test_multiple "maint print dummy-frames" "dummy frame popped" {
  94     -re ".*stack=.*$gdb_prompt $" {
  95         fail "dummy frame popped"
  96     }
  97     -re ".*$gdb_prompt $" {
  98         pass "dummy frame popped"
  99     }
 100 }
 101
 102 # Continue one last time, the program should exit normally.
 103
 104 gdb_continue_to_end "" continue 1
 105
 106 return 0